M C Q s D r i v e
03079682698
mcqsdrive@gmail.com
About
Contact

Contact Info

03079682698

mcqsdrive@gmail.com

Ad Banner

Chemistry 1488 MCQs [All-Courses]

thumb

oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

All Topics  1488

Substance which is found in dried up lakes of Tibet and California is_______________?
A Tincal
B Boric acid
C Calcium carbonate
D Colemanite
Correct Answer: Tincal
The cooling of molten urea by air in the tower is called______________________?
A prilling
B evaporation
C condensation
D crystallization
Correct Answer: prilling
The mass of 3.2 moles of ammonia (NH3) gas?
A 53.4 grams
B 54.4 grams
C 55.4 grams
D 56.4 grams
Correct Answer: 54.4 grams
Boron in soil has been considered micronutrient for_________________?
A Soil porocity
B Proper growth of plants
C Alkalinity of soil
D All
Correct Answer: Proper growth of plants
Addition of urea to the soil is ____________ reaction?
A endothermic
B exothermic
C both a and b
D no heat energy is involved
Correct Answer: exothermic
How many moles are in 22.2 grams of Calcium chloride, CaCl2?
A 0.2 moles
B 0.3 moles
C 0.4 moles
D 0.5 moles
Correct Answer: 0.2 moles
Which of the following is metasilicic acid ?
A H2SnO3
B H2SiO3
C H3AsO4
D H3SbO4
Correct Answer: H2SiO3
The fertilizers which provide single nutrient from NPK are called ___________ fertilizer?
A straight
B compound
C both a and b
D none of the above
Correct Answer: straight
What is the mass percent of silver in silver notrate, AgNO3?
A 64.50%
B 65.60%
C 63.50%
D 61.50%
Correct Answer: 63.50%
Which of the following will decompose to produce litharge_________________?
A Pb2O
B Pb3O4
C PbO2
D All of the above
Correct Answer: Pb3O4
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.